About the author

Gary Warden was raised in the Perth Hills. After graduating from the University of Western Australia with a degree in Geology, Gary joined BHP Billiton where he spent 18 years working in a variety of roles in a number of locations around the world. Prior to leaving BHP Billiton in December 2006, Gary was Global Manager for the company's US$1Billion business improvement program.

While he was originally sceptical about the claims relating to climate change, he became convinced of the urgency of the issue in early 2006. He left BHP Billiton primarily to spend more time with his young family, but also to dedicate himself to creating a more sustainable life for himself and his family and to support others in making that change.

In September 2007 he was trained by Al Gore and has delivered the "Inconvenient Truth" lectures to thousands of west australians since then. In November 2007 Gary ran for the senate in the Federal Election representing the Climate Change Coalition.

In addition to his climate change lectures, he has facilitated Living Smart workshops across Perth. Between 2008 and 2009 he was on the Executive Committee of the Conservation Council of Western Australia including one year as Vice President.

Gary co-founded and is Executive Director of the very exciting Days of Change program, one of the largest sustainability programs in Australia and is now General Manager WA for Eco-Kinetics, one of the largest Solar PV companies in Australia and subsidiary of ASX-listed CBD Energy.

Many people are asking me about the recent ruling by a High Court Judge in the United Kingdom in relation to the screening of An Inconvenient Truth in all UK Schools. The Judge’s ruling was in response to a challenge brought by a Kent school governor to block the UK government’s plan to screen the documentary in more than 3,500 schools in England and Wales.

The Judge declined to ban the film, agreeing that Mr Gore’s film was “broadly accurate” in its presentation of the causes and likely effects of climate change. However the Judge did identify nine errors (dubbed the “Nine Inconvenient Untruths”) that were made in the film. These included:

Claim that sea levels could rise by up to 20ft in the “near future”;

Claim that the gulf stream would shut down;

Claim that the drying of Lake Chad was due to climate change;

Claim that Polar Bears are drowning due to reduced arctic ice;

Claim that Pacific Atolls had been evacuated due to rising sea levels;

Despite finding these errors the judge said many of the claims made by the film were fully backed up by the weight of science. He identified “four main scientific hypotheses, each of which is very well supported by research published in respected, peer-reviewed journals and accords with the latest conclusions of the IPCC”.

In particular, he agreed with the main thrust of Mr Gore’s arguments: “That climate change is mainly attributable to man-made emissions of carbon dioxide, methane and nitrous oxide (‘greenhouse gases’).”

The other three main points accepted by the judge were that global temperatures are rising and are likely to continue to rise, that climate change will cause serious damage if left unchecked, and that it is entirely possible for governments and individuals to reduce its impacts.

Al Gore in Palo Alto, Calif. talking about the Nobel Peace Prize he was awarded in conjunction with the Intergovernmental Panel on Climate Change (IPCC).

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